1、Aerospace series Flange couplings Swivel flange with 4 fastening holes, in heat resisting steel Inch seriesBS EN 4803:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4803 May 2017 ICS 49.080 English Version Aer
2、ospace series - Flange couplings - Swivel flange with 4 fastening holes, in heat resisting steel - Inch series Srie arospatiale - Raccordement bride - Brides flottantes avec 4 trous de fixation en acier rsistant chaud - Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Lose Flan
3、sche mit 4 Befestigungslchern, aus hochwarmfestem Stahl - Inch-Reihe This European Standard was approved by CEN on 21 November 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national sta
4、ndard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in
5、any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Re
6、public, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom
7、. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4803:2017
8、ENational forewordThis British Standard is the UK implementation of EN 4803:2017. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its sec
9、retary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 95334 7ICS 49.080Compliance with a British Standard cannot c
10、onfer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 4803:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NO
11、RM EN 4803 May 2017 ICS 49.080 English Version Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in heat resisting steel - Inch series Srie arospatiale - Raccordement bride - Brides flottantes avec 4 trous de fixation en acier rsistant chaud - Srie en inches Luft- und Raumf
12、ahrt - Rohrverschraubung mit Flanschen - Lose Flansche mit 4 Befestigungslchern, aus hochwarmfestem Stahl - Inch-Reihe This European Standard was approved by CEN on 21 November 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t
13、his European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official
14、 versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Aus
15、tria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spa
16、in, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwid
17、e for CEN national Members. Ref. No. EN 4803:2017 EBS EN 4803:2017EN 4803:2017 (E) 2 Contents Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Required characteristics . 4 4 Designation . 6 5 Identification marking . 6 6 Technical specification . 6 7 Quality Assurance. 6 BS EN 480
18、3:2017EN 4803:2017 (E) 3 European foreword This document (EN 4803:2017) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this European Standard has rec
19、eived the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November
20、 2017, and conflicting national standards shall be withdrawn at the latest by November 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. Accordin
21、g to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Gr
22、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4803:2017EN 4803:2017 (E) 4 1 Scope This European Standard specifies the characte
23、ristics of swivel flanges, 4 holes, for pipe couplings in heat resisting steel for inch series aerospace applications. Nominal pressure: up to 21 000 kPa; depends on the associated seal, tube material, tube diameter and tube wall thickness in the assembly (see EN 4814). NOTE Assembly in accordance w
24、ith TR 4815. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includ
25、ing any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloys EN 3468, Aerospace series Steel FE-PA13 Softened 500 Rm 700 MPa Forgings De 100 mm1)EN 3487, Aerospace se
26、ries Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Bar for machining a or D 250 mm 500 MPa Rm 700 MPa EN 4315, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Solution treated and precipitation treated, bar and section a or D 100 mm, Rm 900 MPa EN 4814, Aerospace series Flan
27、ge couplings up to 21 000 kPa Technical specification Inch series EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations TR 4815, Aerospace series Flange couplings up to 21 000 kPa Design standard Inch series2)3 Required characteristics 3.1 Configuration Dimen
28、sions Tolerances Masses See Figure 1 and Table 2. Dimensions and tolerances are in millimetres, except otherwise specified. 3.2 Material and surface treatment Table 1 Material Code EN 3468 or EN 3487 1 EN 4315 2 Surface finish: Passivation EN 2516. 1)Published as ASD-STAN Prestandard at the date of
29、publication of this European Standard. (http:/www.asd-stan.org/) 2)Published as ASD-STAN Technical Report at the date of publication of this European Standard. (http:/www.asd-stan.org/) BS EN 4803:2017EN 4803:2017 (E) 5 Key 1 3D view (for information only) 2 4 holes 3 Marking 4 Alternative shape Fig
30、ure 1 BS EN 4803:2017EN 4803:2017 (E) 6 Table 2 Dimensional codeaNominal diameter A B C E F G H J K N P Massbinch mm null0,25 +0,15 0 null0,25 Theo. Theo. min max min max null0,25 +0,15 0 min max null0,5 10A .625 15,875 5,20 2,40 20,30 26,37 13,185 5,60 7,10 5,50 5,70 19,70 28,80 1400 1600 49,5 37,9
31、 10B .625 15,875 5,20 2,40 20,30 28,30 14,15 5,60 7,10 7,10 7,30 22,50 28,80 2130 2230 56,7 54,4 12A .750 19,050 5,20 2,40 24,40 29,36 14,68 5,60 7,10 5,50 5,70 21,20 32,00 2130 2230 54,2 41,5 12B .750 19,050 5,20 2,40 24,40 30,48 15,24 5,60 7,10 7,10 7,30 23,60 32,00 2130 2230 55,8 56,6 16A 1.000 2
32、5,400 5,20 2,40 30,70 33,32 16,66 5,60 7,10 5,50 5,70 23,20 38,35 1400 1600 59,8 43,6 16B 1.000 25,400 5,20 2,40 30,70 35,92 17,96 5,60 7,10 7,10 7,30 27,20 38,35 2130 2230 63,5 73,7 20B 1.250 31,750 5,45 2,65 37,30 42,06 21,03 7,10 8,90 7,10 7,30 28,50 47,10 2130 2230 72,1 67,6 24B 1.500 38,100 6,0
33、0 2,95 42,90 46,02 23,01 7,10 8,90 7,10 7,30 30,50 54,20 1400 1600 81,2 75,1 28B 1.750 44,450 6,20 3,15 50,50 52,37 26,19 7,10 8,90 7,10 7,30 33,70 60,60 2130 2230 90,2 87,9 32C 2.000 50,800 6,20 3,15 56,90 60,33 30,17 7,10 8,90 8,60 8,90 38,60 70,10 2130 2230 101,5 115,5 aThis code is composed with
34、 the following elements: Nominal diameter given in 16thof inches within 2 digit; Bolt nominal thread diameter A: .1900 in (4,826 mm); B: .2500 in (6,35 mm); C: .3125 in (7,938 mm). bMass quoted in kg/1 000 parts. 4 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed between the des
35、cription block and the identity block. 5 Identification marking EN 2424, category A, as indicated on Figure 1. 6 Technical specification See EN 4814. 7 Quality Assurance Approval of the manufactures. See EN 9100. BS EN 4803:2017This page deliberately left blankBSI is the national body responsible fo
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